Senior DevSecOps Engineer

You’ll be joining a genuinely close‑knit and high‑trust team, where collaboration and attitude matter just as much as technical capability. Led by a manager who prioritises culture and team cohesion, the team is supportive, inclusive, and proud of the environment they’ve built. With a strong focus on being a team player, you’ll be surrounded by people who back each other, share knowledge, and take pride in delivering together, all within a diverse and welcoming environment. 

What we offer 

• Performance-related pay  

• Access to thousands of learning programs, so you can level-up  

• 16 weeks paid parental leave for primary and secondary carers

• Purchased annual leave scheme  

• Additional Telstra day off for you to spend as you like

• Additional 30% off Telstra products and services 

• Toolkit provided (laptop + mobile phone + plan paid for) 

The opportunity 

You’ll lead the design and implementation of automation frameworks, embed security across CI/CD pipelines, and collaborate with cross-functional teams to drive innovation. If you’re passionate about DevSecOps, infrastructure automation, and building secure, scalable systems; this is your opportunity to make a real impact in a Defence-focused environment. 

Please note, this is not a best-fit role for a Senior QA Test Automation Engineer

Candidates must be Australian citizens and hold an active NV1/ NV2 clearance to be considered - please only apply if you meet both of these criteria.

What you’ll do 

Telstra Enterprise - Enterprise Operations is responsible for the day-to-day operations of Telstra's enterprise business, including order fulfilment, customer support, and service delivery. 

• Lead the design and implementation of automation frameworks and CI/CD pipelines. 

• Embed security practices across the software development lifecycle. 

• Collaborate with teams to coach, share knowledge, and drive best practices. 

• Design and implement end-to-end automation solutions, including API integration and network configuration. 

• Work closely with vendors and influence strategic decisions through hands-on experience. 

• Maintain and enhance automation platforms using tools such as Ansible, GitLab, and Jenkins. 

• Develop scripts for network validation and monitoring. 

• Continuously improve processes, frameworks, and system efficiency. 

• Contribute to the development of next-generation network automation for Telstra Defence. 

About You 

• Australian Citizen with active NV1 clearance

• Strong understanding of RedHat Ansible, CI/CD tools (GitLab, Jenkins), and observability platforms (e.g., Splunk). 

• Proficiency in automation and scripting (Python, Shell, Ansible). 

• Experience with infrastructure management in VMware and Linux environments. 

• Strong understanding and knowledge of network engineering fundamentals (routing, switching, protocols). 

• Familiarity with secure coding practices and DevSecOps principles. 

• Strong Application security expertise including:

Code reviews and vulnerability assessments (SAST/DAST)  Security tool integration in CI/CD pipelines 

Perform manual penetration testing 

Work with dev/ops teams to ensure vulnerabilities are resolved within agreed SLAs. 

Threat modelling and secure architecture reviews 

Incident response and remediation 

Bonus points for 

• Experience in Defence development environments. 

• Exposure to container orchestration (Kubernetes, Docker). 

• Exposure to infrastructure as code (Terraform, CloudFormation). 

• Relevant certifications (e.g., OSCP, CEH, GWAPT, CSSLP). 

Please ensure you attach an up to date CV, to be considered.  

Thank you to recruitment agencies, but we won't be accepting or acknowledging floated CVs for this role.